Elastic cap for knitting needles



FIG. 1 is a perspective view of an elastic cap for knitting needles showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a left side elevational view thereof; and

FIG. 4 is a right side elevational view thereof. 

The ornamental design for an elastic cap for knitting needles, as shown and described. 